— Sent from the @BarackObama Twitter account, the tweet read "Four more years" and included a photo of the president and the first lady hugging. Within 22 minutes of going live, the tweet became the most popular of all time. (The previous record was held by Justin Bieber.)

In a post on Apple’s site called “A letter from Tim Cook on Maps,” Cook begins by saying, “At Apple, we strive to make world-class products that deliver the best experience possible to our customers. With the launch of our new …